/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the License at the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apereo.portal.groups.pags.testers;

import org.apereo.portal.groups.pags.dao.IPersonAttributesGroupTestDefinition;
import org.apereo.portal.security.IPerson;

/**
 * Base class for testers that determine membership based on the number of values a user has for an
 * attribute.
 *
 * @since 5.0
 */
public abstract class AbstractNbValuesTester extends BaseAttributeTester {

    private final int testInteger;

    /** @since 4.3 */
    public AbstractNbValuesTester(IPersonAttributesGroupTestDefinition definition) {
        super(definition);
        this.testInteger = Integer.parseInt(definition.getTestValue());
    }

    public int getTestInteger() {
        return testInteger;
    }

    @Override
    public final boolean test(IPerson person) {
        boolean result = false;
        final Object[] atts = person.getAttributeValues(getAttributeName());
        if (atts != null) {
            result = test(atts.length);
        }
        return result;
    }

    /** Subclasses provide a concrete implementation of this method to perform their testing. */
    protected abstract boolean test(int numValues);
}
